ref: 9d9febe1d36995046c0ec246fcec54fdbe1d16f8
dir: /test/asm/ds-bad.err/
error: ds-bad.asm(3): Expected constant expression: 'unknown' is not constant at assembly time warning: ds-bad.asm(4): [-Wtruncation] Expression must be 8-bit error: Assembly aborted (1 error)!